3 files changed, 77 insertions, 2 deletions
diff --git a/testing/web-platform/tests/css/css-fonts/parsing/WEB_FEATURES.yml b/testing/web-platform/tests/css/css-fonts/parsing/WEB_FEATURES.yml
index 6a24d269b4..a3bc09cb1f 100644
--- a/testing/web-platform/tests/css/css-fonts/parsing/WEB_FEATURES.yml
+++ b/testing/web-platform/tests/css/css-fonts/parsing/WEB_FEATURES.yml
@@ -8,7 +8,21 @@ features:
   - font-palette-values-*
 - name: font-synthesis
   files:
-  - font-synthesis-*
+  - font-synthesis-computed.html
+  - font-synthesis-invalid.html
+  - font-synthesis-valid.html
+- name: font-synthesis-position
+  files:
+  - font-synthesis-position*
+- name: font-synthesis-small-caps
+  files:
+  - font-synthesis-small-caps*
+- name: font-synthesis-style
+  files:
+  - font-synthesis-style*
+- name: font-synthesis-weight
+  files:
+  - font-synthesis-weight*
 - name: font-variant-alternates
   files:
   - font-variant-alternates-*
diff --git a/testing/web-platform/tests/css/css-fonts/parsing/font-palette-values-invalid.html b/testing/web-platform/tests/css/css-fonts/parsing/font-palette-values-invalid.html
index 2056055f34..b93a48fb37 100644
--- a/testing/web-platform/tests/css/css-fonts/parsing/font-palette-values-invalid.html
+++ b/testing/web-platform/tests/css/css-fonts/parsing/font-palette-values-invalid.html
@@ -115,13 +115,33 @@
 @font-palette-values --A {
     override-colors: 0 canvas;
 }
+
+/* 19 */
+@font-palette-values --A {
+    override-colors: 0 currentcolor;
+}
+
+/* 20 */
+@font-palette-values --A {
+    override-colors: 0 light-dark(white, black);
+}
+
+/* 21 */
+@font-palette-values --A {
+    override-colors: 0 color-mix(in lch, red, canvas);
+}
+
+/* 22 */
+@font-palette-values --A {
+    override-colors: 0 light-dark(white, currentcolor);
+}
 </style>
 </head>
 <body>
 <script>
 let rules = document.getElementById("style").sheet.cssRules;
 test(function() {
-    assert_equals(rules.length, 19);
+    assert_equals(rules.length, 23);
 });
 
 test(function() {
@@ -283,6 +303,34 @@ test(function() {
     assert_equals(rule.basePalette, "");
     assert_equals(rule.overrideColors, "");
 });
+
+test(function() {
+    let text = rules[19].cssText;
+    let rule = rules[19];
+    assert_equals(text.indexOf("override-colors"), -1);
+    assert_equals(rule.overrideColors, "");
+});
+
+test(function() {
+    let text = rules[20].cssText;
+    let rule = rules[20];
+    assert_equals(text.indexOf("override-colors"), -1);
+    assert_equals(rule.overrideColors, "");
+});
+
+test(function() {
+    let text = rules[21].cssText;
+    let rule = rules[21];
+    assert_equals(text.indexOf("override-colors"), -1);
+    assert_equals(rule.overrideColors, "");
+});
+
+test(function() {
+    let text = rules[22].cssText;
+    let rule = rules[22];
+    assert_equals(text.indexOf("override-colors"), -1);
+    assert_equals(rule.overrideColors, "");
+});
 </script>
 </body>
 </html>
diff --git a/testing/web-platform/tests/css/css-fonts/parsing/font-palette-values-valid.html b/testing/web-platform/tests/css/css-fonts/parsing/font-palette-values-valid.html
index 3c0c0626f5..99fceff234 100644
--- a/testing/web-platform/tests/css/css-fonts/parsing/font-palette-values-valid.html
+++ b/testing/web-platform/tests/css/css-fonts/parsing/font-palette-values-valid.html
@@ -103,6 +103,11 @@
 @font-palette-values --P {
     font-family: foo, bar, baz;
 }
+
+/* 17 */
+@font-palette-values --Q {
+    override-colors: 0 color-mix(in lch, red, blue);
+}
 </style>
 </head>
 <body>
@@ -385,6 +390,14 @@ test(function() {
     assert_equals(rule.basePalette, "");
     assert_equals(rule.overrideColors, "");
 });
+
+test(function() {
+    let rule = rules[17];
+    assert_equals(rule.name, "--Q");
+    assert_equals(rule.fontFamily, "");
+    assert_equals(rule.basePalette, "");
+    assert_equals(rule.overrideColors, "0 color-mix(in lch, red, blue)");
+});
 </script>
 </body>
 </html>